The English Wikipedia article on the Late Ordovician mass extinction, the first of the Phanerozoic's five major mass extinctions, occurring around 445 million years ago at the Ordovician-Silurian boundary.
Facts
URLhttps://en.wikipedia.org/wiki/Late_Ordovician_mass_extinction
PublisherWikimedia Foundation
Source TypeEncyclopedia
Sources
Claims Backed By This Source (11 claims)
This source backs 11 claims across the atlas. As facts: 6 well-attested. As cited relationships: 2 connected. Plus 3 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Phenomena, 8 claims: 3 well-attested, 2 connected, 3 general references.
- Sources, 3 claims: 3 well-attested.
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